Collapsible duffel bag



FIG. 1 is a perspective view of the collapsible duffel bag in an expanded configuration;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the collapsible duffel bag in FIG. 1 in a collapsed and packed configuration;

FIG. 9 is a front elevation view of the collapsible duffel bag of FIG. 8;

FIG. 10 is a rear elevation view of the collapsible duffel bag of FIG. 8;

FIG. 11 is a right elevation view of the collapsible duffel bag of FIG. 8;

FIG. 12 is a left elevation view of the collapsible duffel bag of FIG. 8;

FIG. 13 is a top plan view of the collapsible duffel bag of FIG. 8; and,

FIG. 14 is a bottom plan view of the collapsible duffel bag of FIG. 8.

The broken lines illustrate portions of the collapsible duffel bag and form no part of the claimed design. 

CLAIM The ornamental design for a collapsible duffel bag, as shown and described. 